Home / 7,286.73-10,906.59-3,771.90

Finding the Fourth Proportional to 7,286.73, 10,906.59 and 3,771.90

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Solution

The fourth proportional to 7,286.73, 10,906.59 and 3,771.90 is: 5,645.68

Step by Step Solution

  1. Step 1: Write the proportion equation
    7,286.73 : 10,906.59 = 3,771.90 : x
  2. Step 2: Convert to fraction form
    7,286.73/10,906.59 = 3,771.90/x
  3. Step 3: Cross multiply
    7,286.73x = 10,906.59 × 3,771.90
  4. Step 4: Simplify right side
    7,286.73x = 41,138,566.82
  5. Step 5: Solve for x
    x = 41,138,566.82/7,286.73
  6. Step 6: Final answer
    x = 5,645.68

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.